Home / 12,452,432.40-18,672,427.80-5,713,232.40

Finding the Fourth Proportional to 12,452,432.40, 18,672,427.80 and 5,713,232.40

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Solution

The fourth proportional to 12,452,432.40, 18,672,427.80 and 5,713,232.40 is: 8,566,994.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,452,432.40 : 18,672,427.80 = 5,713,232.40 : x
  2. Step 2: Convert to fraction form
    12,452,432.40/18,672,427.80 = 5,713,232.40/x
  3. Step 3: Cross multiply
    12,452,432.40x = 18,672,427.80 × 5,713,232.40
  4. Step 4: Simplify right side
    12,452,432.40x = 106,679,919,493,620.73
  5. Step 5: Solve for x
    x = 106,679,919,493,620.73/12,452,432.40
  6. Step 6: Final answer
    x = 8,566,994.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.